1302876864 has 84 divisors (see below), whose sum is σ = 3739515000. Its totient is φ = 433704960.

The previous prime is 1302876863. The next prime is 1302876877. The reversal of 1302876864 is 4686782031.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1302876863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 718519 + ... + 720329.

Almost surely, 2^1302876864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1302876864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1869757500).

1302876864 is an abundant number, since it is smaller than the sum of its proper divisors (2436638136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1302876864 is a wasteful number, since it uses less digits than its factorization.

1302876864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1302876864 is about 36095.3856330695. The cubic root of 1302876864 is about 1092.1973639969.

The spelling of 1302876864 in words is "one billion, three hundred two million, eight hundred seventy-six thousand, eight hundred sixty-four".